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Appl Environ Microbiol. 2009 January; 75(1): 268–270.
Published online 2008 November 7. doi:  10.1128/AEM.01445-08
PMCID: PMC2612231

Production of Verotoxin and Distribution of O Islands 122 and 43/48 among Verotoxin-Producing Escherichia coli O103:H2 Isolates from Cattle and Humans


This study investigated variations in the occurrence of markers of O islands 122 and 43/48 and in verotoxin 1 production in 91 verotoxin-producing Escherichia coli (VTEC) O103:H2 strains of bovine and human origins. None of the genes that were investigated appear to be virulence indicators for human O103:H2 VTEC.

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